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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_JFR_LEAKPROFILER_SAMPLING_SAMPLELIST_HPP
#define SHARE_JFR_LEAKPROFILER_SAMPLING_SAMPLELIST_HPP
#include "jfr/utilities/jfrAllocation.hpp"
#include "jfr/utilities/jfrDoublyLinkedList.hpp"
class ObjectSample;
class SampleList : public JfrCHeapObj {
typedef JfrDoublyLinkedList<ObjectSample> List;
private:
List _free_list;
List _in_use_list;
const ObjectSample* _last_resolved;
mutable size_t _allocated;
const size_t _limit;
const size_t _cache_size;
void populate_cache();
ObjectSample* newSample() const;
void link(ObjectSample* sample);
void unlink(ObjectSample* sample);
void deallocate_samples(List& list);
void reset(ObjectSample* sample);
public:
SampleList(size_t limit, size_t cache_size = 0);
~SampleList();
ObjectSample* get();
ObjectSample* first() const;
ObjectSample* last() const;
const ObjectSample* last_resolved() const;
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